Which group includes mammals, birds, and reptiles but excludes all other chordates?
A. Vertebrates
B. Deuterostomes
C. Amniotes
D. Tetrapods
E. Monotremes
Answer: C
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Fertilization results in formation of _____________ within the uterine tube.
A. diploid gamete B. diploid zygote C. haploid zygote D. haploid gamete
Some scientists predict that the Earth will lose almost all of its topsoil by the middle of the next century. What factors are involved in the erosion of soil?
A. poor farming practices B. deforestation C. desertization D. All of these factors cause erosion.
What are induced pluripotent stem cells?
A. inner mass cells that have been removed without killing the embryo B. adult stem cells that have been made in the laboratory C. adult stem cells that are reprogrammed to become embryonic stem cells to produce new embryos D. totipotent stems cells from a zygote that have been induced to become pluripotent
The number of leprosy cases in the United States is gradually increasing
Indicate whether the statement is true or false